feat: add nodejs client

nodejs_client/tcp_server.js

@@ -0,0 +1,26 @@
+const net = require('net')
+
+const server = net.createServer(socket => {
+  console.log('New client connected')
+
+  let data = Buffer.from('')
+
+  socket.on('data', data => {
+    data = Buffer.concat([data, chunk])
+    console.log(`Received data: ${data}`)
+  })
+
+  socket.on('end', () => {
+    const decodedData = data.toString('utf8')
+    console.log(`Received data: ${decodedData}`)
+  })
+
+  socket.on('close', () => {
+    console.log('Client disconnected')
+  })
+})
+
+const port = 19099
+server.listen(port, () => {
+  console.log(`Server listening on port ${port}`)
+})